CotD: Disney Studios’ first daily animated series was Ducktales, included the episode “Beaglemania“.

Beaglemania (1989) – DuckTales Cartoon Episode Guide

While trying to make a heist during a popular music show, the Beagle Boys connive their way on stage with their song, ‘The Boogie Beagle Blues.’ However, their song soon spawns a fan craze, and Scrooge ends up signing them to a recording contract. Ma Beagle tries to manage the boys, but when their tendencies get the better of them, they fire their dear old mother. Ma then tries whatever she can to turn her boys away from music and back to crime.